Hadoop YARN may be the gun that hangs on the wall in the first act and kills MapReduce in the last—Google Trends clearly shows that interest in Hadoop is still on the rise, but Apache Spark is closing in fast.
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These days, there is a renaissance of Hadoop-based Big Data projects: Impala, Spark, Storm, Flink and HBase as well as several SQL-on-Hadoop tools. Most of these projects are still in their infancy though, if not in the Apache Incubator, so they’re mostly used by early adopters and none of them has become an industry standard. Yet.
YARN's promise was big and exciting, but did it deliver? Now that we’ve spent a year with the baby elephant, we're happy to announce YARN Week: a three post series about our YARN thoughts and experiences.